dB peak dB peaka unit of relative pressure when the pressure of the sound wave is characterized as the peak pressure. Related Articles: Glacial Calving in the Arctic Produces Record Source LevelsBehavioral Changes in FishesAirgun TechnologyIntroduction to Signal LevelsPile drivingTutorial: Pile DrivingSeismic AirgunsTutorial: Seismic AirgunTutorial: Fishes – Behavioral ChangeSound Pressure Levels and Sound Exposure Levels Chris Knowlton2017-02-26T20:10:10-05:00